net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 1 | /* $USAGI: $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (C)2004 USAGI/WIDE Project |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | /* |
| 21 | * based on ip.c, iproute.c |
| 22 | */ |
| 23 | /* |
| 24 | * Authors: |
| 25 | * Masahide NAKAMURA @USAGI |
| 26 | */ |
| 27 | |
| 28 | #include <stdio.h> |
| 29 | #include <stdlib.h> |
| 30 | #include <string.h> |
| 31 | #include <sys/types.h> |
| 32 | #include <sys/socket.h> |
| 33 | #include <time.h> |
| 34 | #include <netdb.h> |
| 35 | #include <net/if.h> |
| 36 | #include <linux/netlink.h> |
| 37 | #include <linux/rtnetlink.h> |
| 38 | #include <linux/xfrm.h> |
| 39 | |
| 40 | #include "utils.h" |
| 41 | #include "xfrm.h" |
| 42 | |
| 43 | struct xfrm_filter filter; |
| 44 | |
| 45 | static void usage(void) __attribute__((noreturn)); |
| 46 | |
| 47 | static void usage(void) |
| 48 | { |
| 49 | fprintf(stderr, |
| 50 | "Usage: ip xfrm XFRM_OBJECT { COMMAND | help }\n" |
| 51 | "where XFRM_OBJECT := { state | policy }\n"); |
| 52 | exit(-1); |
| 53 | } |
| 54 | |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 55 | /* This is based on utils.c(inet_addr_match) */ |
| 56 | int xfrm_addr_match(xfrm_address_t *x1, xfrm_address_t *x2, int bits) |
| 57 | { |
| 58 | __u32 *a1 = (__u32 *)x1; |
| 59 | __u32 *a2 = (__u32 *)x2; |
| 60 | int words = bits >> 0x05; |
| 61 | |
| 62 | bits &= 0x1f; |
| 63 | |
| 64 | if (words) |
| 65 | if (memcmp(a1, a2, words << 2)) |
| 66 | return -1; |
| 67 | |
| 68 | if (bits) { |
| 69 | __u32 w1, w2; |
| 70 | __u32 mask; |
| 71 | |
| 72 | w1 = a1[words]; |
| 73 | w2 = a2[words]; |
| 74 | |
| 75 | mask = htonl((0xffffffff) << (0x20 - bits)); |
| 76 | |
| 77 | if ((w1 ^ w2) & mask) |
| 78 | return 1; |
| 79 | } |
| 80 | |
| 81 | return 0; |
| 82 | } |
| 83 | |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 84 | struct typeent { |
| 85 | const char *t_name; |
| 86 | int t_type; |
| 87 | }; |
| 88 | |
org[shemminger]!nakam | 29aa4dd | 2004-09-28 18:40:49 +0000 | [diff] [blame] | 89 | static const struct typeent xfrmproto_types[]= { |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 90 | { "esp", IPPROTO_ESP }, { "ah", IPPROTO_AH }, { "comp", IPPROTO_COMP }, |
| 91 | { NULL, -1 } |
org[shemminger]!nakam | 29aa4dd | 2004-09-28 18:40:49 +0000 | [diff] [blame] | 92 | }; |
| 93 | |
| 94 | int xfrm_xfrmproto_getbyname(char *name) |
| 95 | { |
| 96 | int i; |
| 97 | |
| 98 | for (i = 0; ; i++) { |
| 99 | const struct typeent *t = &xfrmproto_types[i]; |
| 100 | if (!t->t_name || t->t_type == -1) |
| 101 | break; |
| 102 | |
| 103 | if (strcmp(t->t_name, name) == 0) |
| 104 | return t->t_type; |
| 105 | } |
| 106 | |
| 107 | return -1; |
| 108 | } |
| 109 | |
| 110 | const char *strxf_xfrmproto(__u8 proto) |
| 111 | { |
| 112 | int i; |
| 113 | |
| 114 | for (i = 0; ; i++) { |
| 115 | const struct typeent *t = &xfrmproto_types[i]; |
| 116 | if (!t->t_name || t->t_type == -1) |
| 117 | break; |
| 118 | |
| 119 | if (t->t_type == proto) |
| 120 | return t->t_name; |
| 121 | } |
| 122 | |
| 123 | return NULL; |
| 124 | } |
| 125 | |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 126 | static const struct typeent algo_types[]= { |
| 127 | { "enc", XFRMA_ALG_CRYPT }, { "auth", XFRMA_ALG_AUTH }, |
| 128 | { "comp", XFRMA_ALG_COMP }, { NULL, -1 } |
| 129 | }; |
| 130 | |
| 131 | int xfrm_algotype_getbyname(char *name) |
| 132 | { |
| 133 | int i; |
| 134 | |
| 135 | for (i = 0; ; i++) { |
| 136 | const struct typeent *t = &algo_types[i]; |
| 137 | if (!t->t_name || t->t_type == -1) |
| 138 | break; |
| 139 | |
| 140 | if (strcmp(t->t_name, name) == 0) |
| 141 | return t->t_type; |
| 142 | } |
| 143 | |
| 144 | return -1; |
| 145 | } |
| 146 | |
| 147 | const char *strxf_algotype(int type) |
| 148 | { |
| 149 | int i; |
| 150 | |
| 151 | for (i = 0; ; i++) { |
| 152 | const struct typeent *t = &algo_types[i]; |
| 153 | if (!t->t_name || t->t_type == -1) |
| 154 | break; |
| 155 | |
| 156 | if (t->t_type == type) |
| 157 | return t->t_name; |
| 158 | } |
| 159 | |
| 160 | return NULL; |
| 161 | } |
| 162 | |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 163 | const char *strxf_mask8(__u8 mask) |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 164 | { |
| 165 | static char str[16]; |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 166 | const int sn = sizeof(mask) * 8 - 1; |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 167 | __u8 b; |
| 168 | int i = 0; |
| 169 | |
| 170 | for (b = (1 << sn); b > 0; b >>= 1) |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 171 | str[i++] = ((b & mask) ? '1' : '0'); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 172 | str[i] = '\0'; |
| 173 | |
| 174 | return str; |
| 175 | } |
| 176 | |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 177 | const char *strxf_mask32(__u32 mask) |
| 178 | { |
| 179 | static char str[16]; |
| 180 | |
| 181 | sprintf(str, "%.8x", mask); |
| 182 | |
| 183 | return str; |
| 184 | } |
| 185 | |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 186 | const char *strxf_share(__u8 share) |
| 187 | { |
| 188 | static char str[32]; |
| 189 | |
| 190 | switch (share) { |
| 191 | case XFRM_SHARE_ANY: |
| 192 | strcpy(str, "any"); |
| 193 | break; |
| 194 | case XFRM_SHARE_SESSION: |
| 195 | strcpy(str, "session"); |
| 196 | break; |
| 197 | case XFRM_SHARE_USER: |
| 198 | strcpy(str, "user"); |
| 199 | break; |
| 200 | case XFRM_SHARE_UNIQUE: |
| 201 | strcpy(str, "unique"); |
| 202 | break; |
| 203 | default: |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 204 | sprintf(str, "%u", share); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 205 | break; |
| 206 | } |
| 207 | |
| 208 | return str; |
| 209 | } |
| 210 | |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 211 | const char *strxf_proto(__u8 proto) |
| 212 | { |
| 213 | static char buf[32]; |
| 214 | struct protoent *pp; |
| 215 | const char *p; |
| 216 | |
| 217 | pp = getprotobynumber(proto); |
| 218 | if (pp) |
| 219 | p = pp->p_name; |
| 220 | else { |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 221 | sprintf(buf, "%u", proto); |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 222 | p = buf; |
| 223 | } |
| 224 | |
| 225 | return p; |
| 226 | } |
| 227 | |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 228 | void xfrm_id_info_print(xfrm_address_t *saddr, struct xfrm_id *id, |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 229 | __u8 mode, __u32 reqid, __u16 family, int force_spi, |
| 230 | FILE *fp, const char *prefix) |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 231 | { |
| 232 | char abuf[256]; |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 233 | |
| 234 | if (prefix) |
| 235 | fprintf(fp, prefix); |
| 236 | |
| 237 | memset(abuf, '\0', sizeof(abuf)); |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 238 | fprintf(fp, "src %s ", rt_addr_n2a(family, sizeof(*saddr), |
| 239 | saddr, abuf, sizeof(abuf))); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 240 | memset(abuf, '\0', sizeof(abuf)); |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 241 | fprintf(fp, "dst %s", rt_addr_n2a(family, sizeof(id->daddr), |
| 242 | &id->daddr, abuf, sizeof(abuf))); |
| 243 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 244 | |
| 245 | if (prefix) |
| 246 | fprintf(fp, prefix); |
| 247 | fprintf(fp, "\t"); |
| 248 | |
org[shemminger]!nakam | 29aa4dd | 2004-09-28 18:40:49 +0000 | [diff] [blame] | 249 | fprintf(fp, "proto %s ", strxf_xfrmproto(id->proto)); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 250 | |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 251 | |
| 252 | if (show_stats > 0 || force_spi || id->spi) { |
| 253 | __u32 spi = ntohl(id->spi); |
| 254 | fprintf(fp, "spi 0x%08x", spi); |
| 255 | if (show_stats > 0) |
| 256 | fprintf(fp, "(%u)", spi); |
| 257 | fprintf(fp, " "); |
| 258 | } |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 259 | |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 260 | fprintf(fp, "reqid %u", reqid); |
| 261 | if (show_stats > 0) |
| 262 | fprintf(fp, "(0x%08x)", reqid); |
| 263 | fprintf(fp, " "); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 264 | |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 265 | fprintf(fp, "mode "); |
| 266 | switch (mode) { |
| 267 | case 0: |
| 268 | fprintf(fp, "transport"); |
| 269 | break; |
| 270 | case 1: |
| 271 | fprintf(fp, "tunnel"); |
| 272 | break; |
| 273 | default: |
| 274 | fprintf(fp, "%u", mode); |
| 275 | break; |
| 276 | } |
| 277 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 278 | } |
| 279 | |
| 280 | static const char *strxf_limit(__u64 limit) |
| 281 | { |
| 282 | static char str[32]; |
| 283 | if (limit == XFRM_INF) |
| 284 | strcpy(str, "(INF)"); |
| 285 | else |
net[shemminger]!shemminger | b906243 | 2005-01-17 23:28:16 +0000 | [diff] [blame] | 286 | sprintf(str, "%llu", (unsigned long long) limit); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 287 | |
| 288 | return str; |
| 289 | } |
| 290 | |
| 291 | void xfrm_stats_print(struct xfrm_stats *s, FILE *fp, const char *prefix) |
| 292 | { |
| 293 | if (prefix) |
| 294 | fprintf(fp, prefix); |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 295 | fprintf(fp, "stats:"); |
| 296 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 297 | |
| 298 | if (prefix) |
| 299 | fprintf(fp, prefix); |
| 300 | fprintf(fp, " "); |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 301 | fprintf(fp, "replay-window %u ", s->replay_window); |
| 302 | fprintf(fp, "replay %u ", s->replay); |
| 303 | fprintf(fp, "failed %u", s->integrity_failed); |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 304 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 305 | } |
| 306 | |
| 307 | static const char *strxf_time(__u64 time) |
| 308 | { |
| 309 | static char str[32]; |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 310 | |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 311 | if (time == 0) |
| 312 | strcpy(str, "-"); |
| 313 | else { |
| 314 | time_t t; |
| 315 | struct tm *tp; |
| 316 | |
| 317 | /* XXX: treat time in the same manner of kernel's |
| 318 | * net/xfrm/xfrm_{user,state}.c |
| 319 | */ |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 320 | t = (long)time; |
| 321 | tp = localtime(&t); |
| 322 | |
net[shemminger]!shemminger | 44d3eb2 | 2004-10-07 18:55:51 +0000 | [diff] [blame] | 323 | strftime(str, sizeof(str), "%Y-%m-%d %T", tp); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 324 | } |
| 325 | |
| 326 | return str; |
| 327 | } |
| 328 | |
| 329 | void xfrm_lifetime_print(struct xfrm_lifetime_cfg *cfg, |
| 330 | struct xfrm_lifetime_cur *cur, |
| 331 | FILE *fp, const char *prefix) |
| 332 | { |
| 333 | if (cfg) { |
| 334 | if (prefix) |
| 335 | fprintf(fp, prefix); |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 336 | fprintf(fp, "lifetime config:"); |
| 337 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 338 | |
| 339 | if (prefix) |
| 340 | fprintf(fp, prefix); |
| 341 | fprintf(fp, " "); |
| 342 | fprintf(fp, "limit: "); |
| 343 | fprintf(fp, "soft "); |
| 344 | fprintf(fp, strxf_limit(cfg->soft_byte_limit)); |
| 345 | fprintf(fp, "(bytes), hard "); |
| 346 | fprintf(fp, strxf_limit(cfg->hard_byte_limit)); |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 347 | fprintf(fp, "(bytes)"); |
| 348 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 349 | |
| 350 | if (prefix) |
| 351 | fprintf(fp, prefix); |
| 352 | fprintf(fp, " "); |
| 353 | fprintf(fp, "limit: "); |
| 354 | fprintf(fp, "soft "); |
| 355 | fprintf(fp, strxf_limit(cfg->soft_packet_limit)); |
| 356 | fprintf(fp, "(packets), hard "); |
| 357 | fprintf(fp, strxf_limit(cfg->hard_packet_limit)); |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 358 | fprintf(fp, "(packets)"); |
| 359 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 360 | |
| 361 | if (prefix) |
| 362 | fprintf(fp, prefix); |
| 363 | fprintf(fp, " "); |
| 364 | fprintf(fp, "expire add: "); |
| 365 | fprintf(fp, "soft "); |
net[shemminger]!shemminger | b906243 | 2005-01-17 23:28:16 +0000 | [diff] [blame] | 366 | fprintf(fp, "%llu", (unsigned long long) cfg->soft_add_expires_seconds); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 367 | fprintf(fp, "(sec), hard "); |
net[shemminger]!shemminger | b906243 | 2005-01-17 23:28:16 +0000 | [diff] [blame] | 368 | fprintf(fp, "%llu", (unsigned long long) cfg->hard_add_expires_seconds); |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 369 | fprintf(fp, "(sec)"); |
| 370 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 371 | |
| 372 | if (prefix) |
| 373 | fprintf(fp, prefix); |
| 374 | fprintf(fp, " "); |
| 375 | fprintf(fp, "expire use: "); |
| 376 | fprintf(fp, "soft "); |
net[shemminger]!shemminger | b906243 | 2005-01-17 23:28:16 +0000 | [diff] [blame] | 377 | fprintf(fp, "%llu", (unsigned long long) cfg->soft_use_expires_seconds); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 378 | fprintf(fp, "(sec), hard "); |
net[shemminger]!shemminger | b906243 | 2005-01-17 23:28:16 +0000 | [diff] [blame] | 379 | fprintf(fp, "%llu", (unsigned long long) cfg->hard_use_expires_seconds); |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 380 | fprintf(fp, "(sec)"); |
| 381 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 382 | } |
| 383 | if (cur) { |
| 384 | if (prefix) |
| 385 | fprintf(fp, prefix); |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 386 | fprintf(fp, "lifetime current:"); |
| 387 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 388 | |
| 389 | if (prefix) |
| 390 | fprintf(fp, prefix); |
| 391 | fprintf(fp, " "); |
net[shemminger]!shemminger | b906243 | 2005-01-17 23:28:16 +0000 | [diff] [blame] | 392 | fprintf(fp, "%llu(bytes), ", (unsigned long long) cur->bytes); |
| 393 | fprintf(fp, "%llu(packets)", (unsigned long long) cur->packets); |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 394 | fprintf(fp, "%s", _SL_); |
| 395 | |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 396 | if (prefix) |
| 397 | fprintf(fp, prefix); |
| 398 | fprintf(fp, " "); |
| 399 | fprintf(fp, "add %s ", strxf_time(cur->add_time)); |
| 400 | fprintf(fp, "use %s", strxf_time(cur->use_time)); |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 401 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 402 | } |
| 403 | } |
| 404 | |
| 405 | void xfrm_selector_print(struct xfrm_selector *sel, __u16 family, |
| 406 | FILE *fp, const char *prefix) |
| 407 | { |
| 408 | char abuf[256]; |
| 409 | __u16 f; |
| 410 | |
| 411 | f = sel->family; |
| 412 | if (f == AF_UNSPEC) |
| 413 | f = family; |
| 414 | if (f == AF_UNSPEC) |
| 415 | f = preferred_family; |
| 416 | |
| 417 | if (prefix) |
| 418 | fprintf(fp, prefix); |
| 419 | |
| 420 | memset(abuf, '\0', sizeof(abuf)); |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 421 | fprintf(fp, "src %s/%u ", rt_addr_n2a(f, sizeof(sel->saddr), |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 422 | &sel->saddr, abuf, sizeof(abuf)), |
| 423 | sel->prefixlen_s); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 424 | |
| 425 | memset(abuf, '\0', sizeof(abuf)); |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 426 | fprintf(fp, "dst %s/%u ", rt_addr_n2a(f, sizeof(sel->daddr), |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 427 | &sel->daddr, abuf, sizeof(abuf)), |
| 428 | sel->prefixlen_d); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 429 | |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 430 | if (sel->proto) |
| 431 | fprintf(fp, "proto %s ", strxf_proto(sel->proto)); |
org[shemminger]!nakam | c70b36d | 2004-09-28 18:42:35 +0000 | [diff] [blame] | 432 | switch (sel->proto) { |
| 433 | case IPPROTO_TCP: |
| 434 | case IPPROTO_UDP: |
| 435 | case IPPROTO_SCTP: |
| 436 | default: /* XXX */ |
| 437 | if (sel->sport_mask) |
| 438 | fprintf(fp, "sport %u ", ntohs(sel->sport)); |
| 439 | if (sel->dport_mask) |
| 440 | fprintf(fp, "dport %u ", ntohs(sel->dport)); |
| 441 | break; |
| 442 | case IPPROTO_ICMP: |
| 443 | case IPPROTO_ICMPV6: |
| 444 | /* type/code is stored at sport/dport in selector */ |
| 445 | if (sel->sport_mask) |
| 446 | fprintf(fp, "type %u ", ntohs(sel->sport)); |
| 447 | if (sel->dport_mask) |
| 448 | fprintf(fp, "code %u ", ntohs(sel->dport)); |
| 449 | break; |
| 450 | } |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 451 | |
| 452 | if (sel->ifindex > 0) { |
net[shemminger]!shemminger | 44d3eb2 | 2004-10-07 18:55:51 +0000 | [diff] [blame] | 453 | char buf[IFNAMSIZ]; |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 454 | |
| 455 | memset(buf, '\0', sizeof(buf)); |
| 456 | if_indextoname(sel->ifindex, buf); |
| 457 | fprintf(fp, "dev %s ", buf); |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 458 | } |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 459 | |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 460 | if (show_stats > 0) |
| 461 | fprintf(fp, "uid %u", sel->user); |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 462 | |
| 463 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 464 | } |
| 465 | |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 466 | static void xfrm_algo_print(struct xfrm_algo *algo, int type, int len, |
| 467 | FILE *fp, const char *prefix) |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 468 | { |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 469 | int keylen; |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 470 | int i; |
| 471 | |
| 472 | if (prefix) |
| 473 | fprintf(fp, prefix); |
| 474 | |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 475 | fprintf(fp, "%s ", strxf_algotype(type)); |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 476 | |
| 477 | if (len < sizeof(*algo)) { |
| 478 | fprintf(fp, "(ERROR truncated)"); |
| 479 | goto fin; |
| 480 | } |
| 481 | len -= sizeof(*algo); |
| 482 | |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 483 | fprintf(fp, "%s ", algo->alg_name); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 484 | |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 485 | keylen = algo->alg_key_len / 8; |
| 486 | if (len < keylen) { |
| 487 | fprintf(fp, "(ERROR truncated)"); |
| 488 | goto fin; |
| 489 | } |
| 490 | |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 491 | fprintf(fp, "0x"); |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 492 | for (i = 0; i < keylen; i ++) |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 493 | fprintf(fp, "%.2x", (unsigned char)algo->alg_key[i]); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 494 | |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 495 | if (show_stats > 0) |
| 496 | fprintf(fp, " (%d bits)", algo->alg_key_len); |
| 497 | |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 498 | fin: |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 499 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 500 | } |
| 501 | |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 502 | static void xfrm_tmpl_print(struct xfrm_user_tmpl *tmpls, int len, |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 503 | __u16 family, FILE *fp, const char *prefix) |
| 504 | { |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 505 | int ntmpls = len / sizeof(struct xfrm_user_tmpl); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 506 | int i; |
| 507 | |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 508 | if (ntmpls <= 0) { |
| 509 | if (prefix) |
| 510 | fprintf(fp, prefix); |
| 511 | fprintf(fp, "(ERROR \"tmpl\" truncated)"); |
| 512 | fprintf(fp, "%s", _SL_); |
| 513 | return; |
| 514 | } |
| 515 | |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 516 | for (i = 0; i < ntmpls; i++) { |
| 517 | struct xfrm_user_tmpl *tmpl = &tmpls[i]; |
| 518 | |
| 519 | if (prefix) |
| 520 | fprintf(fp, prefix); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 521 | |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 522 | fprintf(fp, "tmpl"); |
| 523 | xfrm_id_info_print(&tmpl->saddr, &tmpl->id, tmpl->mode, |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 524 | tmpl->reqid, family, 0, fp, prefix); |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 525 | |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 526 | if (show_stats > 0 || tmpl->optional) { |
| 527 | if (prefix) |
| 528 | fprintf(fp, prefix); |
| 529 | fprintf(fp, "\t"); |
| 530 | switch (tmpl->optional) { |
| 531 | case 0: |
| 532 | if (show_stats > 0) |
| 533 | fprintf(fp, "level required "); |
| 534 | break; |
| 535 | case 1: |
| 536 | fprintf(fp, "level use "); |
| 537 | break; |
| 538 | default: |
| 539 | fprintf(fp, "level %u ", tmpl->optional); |
| 540 | break; |
| 541 | } |
| 542 | |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 543 | if (show_stats > 0) |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 544 | fprintf(fp, "share %s ", strxf_share(tmpl->share)); |
| 545 | |
| 546 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 547 | } |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 548 | |
| 549 | if (show_stats > 0) { |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 550 | if (prefix) |
| 551 | fprintf(fp, prefix); |
| 552 | fprintf(fp, "\t"); |
| 553 | fprintf(fp, "%s-mask %s ", |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 554 | strxf_algotype(XFRMA_ALG_CRYPT), |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 555 | strxf_mask32(tmpl->ealgos)); |
| 556 | fprintf(fp, "%s-mask %s ", |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 557 | strxf_algotype(XFRMA_ALG_AUTH), |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 558 | strxf_mask32(tmpl->aalgos)); |
| 559 | fprintf(fp, "%s-mask %s", |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 560 | strxf_algotype(XFRMA_ALG_COMP), |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 561 | strxf_mask32(tmpl->calgos)); |
| 562 | |
| 563 | fprintf(fp, "%s", _SL_); |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 564 | } |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 565 | } |
| 566 | } |
| 567 | |
12!tgraf | bcf3281 | 2005-01-18 22:11:58 +0000 | [diff] [blame^] | 568 | void xfrm_xfrma_print(struct rtattr *tb[], __u16 family, |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 569 | FILE *fp, const char *prefix) |
| 570 | { |
12!tgraf | bcf3281 | 2005-01-18 22:11:58 +0000 | [diff] [blame^] | 571 | if (tb[XFRMA_ALG_AUTH]) { |
| 572 | struct rtattr *rta = tb[XFRMA_ALG_AUTH]; |
| 573 | xfrm_algo_print((struct xfrm_algo *) RTA_DATA(rta), |
| 574 | XFRMA_ALG_AUTH, RTA_PAYLOAD(rta), fp, prefix); |
| 575 | } |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 576 | |
12!tgraf | bcf3281 | 2005-01-18 22:11:58 +0000 | [diff] [blame^] | 577 | if (tb[XFRMA_ALG_CRYPT]) { |
| 578 | struct rtattr *rta = tb[XFRMA_ALG_CRYPT]; |
| 579 | xfrm_algo_print((struct xfrm_algo *) RTA_DATA(rta), |
| 580 | XFRMA_ALG_CRYPT, RTA_PAYLOAD(rta), fp, prefix); |
| 581 | } |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 582 | |
12!tgraf | bcf3281 | 2005-01-18 22:11:58 +0000 | [diff] [blame^] | 583 | if (tb[XFRMA_ALG_COMP]) { |
| 584 | struct rtattr *rta = tb[XFRMA_ALG_COMP]; |
| 585 | xfrm_algo_print((struct xfrm_algo *) RTA_DATA(rta), |
| 586 | XFRMA_ALG_COMP, RTA_PAYLOAD(rta), fp, prefix); |
| 587 | } |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 588 | |
12!tgraf | bcf3281 | 2005-01-18 22:11:58 +0000 | [diff] [blame^] | 589 | if (tb[XFRMA_ENCAP]) { |
| 590 | struct xfrm_encap_tmpl *e; |
| 591 | char abuf[256]; |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 592 | |
12!tgraf | bcf3281 | 2005-01-18 22:11:58 +0000 | [diff] [blame^] | 593 | if (prefix) |
| 594 | fprintf(fp, prefix); |
| 595 | fprintf(fp, "encap "); |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 596 | |
12!tgraf | bcf3281 | 2005-01-18 22:11:58 +0000 | [diff] [blame^] | 597 | if (RTA_PAYLOAD(tb[XFRMA_ENCAP]) < sizeof(*e)) { |
| 598 | fprintf(fp, "(ERROR truncated)"); |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 599 | fprintf(fp, "%s", _SL_); |
12!tgraf | bcf3281 | 2005-01-18 22:11:58 +0000 | [diff] [blame^] | 600 | return; |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 601 | } |
12!tgraf | bcf3281 | 2005-01-18 22:11:58 +0000 | [diff] [blame^] | 602 | e = (struct xfrm_encap_tmpl *) RTA_DATA(tb[XFRMA_ENCAP]); |
| 603 | |
| 604 | fprintf(fp, "type %u ", e->encap_type); |
| 605 | fprintf(fp, "sport %u ", ntohs(e->encap_sport)); |
| 606 | fprintf(fp, "dport %u ", ntohs(e->encap_dport)); |
| 607 | |
| 608 | memset(abuf, '\0', sizeof(abuf)); |
| 609 | fprintf(fp, "addr %s", |
| 610 | rt_addr_n2a(family, sizeof(e->encap_oa), |
| 611 | &e->encap_oa, abuf, sizeof(abuf))); |
| 612 | fprintf(fp, "%s", _SL_); |
| 613 | } |
| 614 | |
| 615 | if (tb[XFRMA_TMPL]) { |
| 616 | struct rtattr *rta = tb[XFRMA_TMPL]; |
| 617 | xfrm_tmpl_print((struct xfrm_user_tmpl *) RTA_DATA(rta), |
| 618 | RTA_PAYLOAD(rta), family, fp, prefix); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 619 | } |
| 620 | } |
| 621 | |
| 622 | int xfrm_id_parse(xfrm_address_t *saddr, struct xfrm_id *id, __u16 *family, |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 623 | int loose, int *argcp, char ***argvp) |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 624 | { |
| 625 | int argc = *argcp; |
| 626 | char **argv = *argvp; |
| 627 | inet_prefix dst; |
| 628 | inet_prefix src; |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 629 | |
| 630 | memset(&dst, 0, sizeof(dst)); |
| 631 | memset(&src, 0, sizeof(src)); |
| 632 | |
| 633 | while (1) { |
| 634 | if (strcmp(*argv, "src") == 0) { |
| 635 | NEXT_ARG(); |
| 636 | |
| 637 | get_prefix(&src, *argv, preferred_family); |
| 638 | if (src.family == AF_UNSPEC) |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 639 | invarg("\"src\" address family is AF_UNSPEC", *argv); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 640 | if (family) |
| 641 | *family = src.family; |
| 642 | |
| 643 | memcpy(saddr, &src.data, sizeof(*saddr)); |
| 644 | |
| 645 | filter.id_src_mask = src.bitlen; |
| 646 | |
| 647 | } else if (strcmp(*argv, "dst") == 0) { |
| 648 | NEXT_ARG(); |
| 649 | |
| 650 | get_prefix(&dst, *argv, preferred_family); |
| 651 | if (dst.family == AF_UNSPEC) |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 652 | invarg("\"dst\" address family is AF_UNSPEC", *argv); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 653 | if (family) |
| 654 | *family = dst.family; |
| 655 | |
| 656 | memcpy(&id->daddr, &dst.data, sizeof(id->daddr)); |
| 657 | |
| 658 | filter.id_dst_mask = dst.bitlen; |
| 659 | |
| 660 | } else if (strcmp(*argv, "proto") == 0) { |
org[shemminger]!nakam | 29aa4dd | 2004-09-28 18:40:49 +0000 | [diff] [blame] | 661 | int ret; |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 662 | |
| 663 | NEXT_ARG(); |
| 664 | |
org[shemminger]!nakam | 29aa4dd | 2004-09-28 18:40:49 +0000 | [diff] [blame] | 665 | ret = xfrm_xfrmproto_getbyname(*argv); |
| 666 | if (ret < 0) |
| 667 | invarg("\"XFRM_PROTO\" is invalid", *argv); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 668 | |
org[shemminger]!nakam | 29aa4dd | 2004-09-28 18:40:49 +0000 | [diff] [blame] | 669 | id->proto = (__u8)ret; |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 670 | |
| 671 | filter.id_proto_mask = XFRM_FILTER_MASK_FULL; |
| 672 | |
| 673 | } else if (strcmp(*argv, "spi") == 0) { |
| 674 | __u32 spi; |
| 675 | |
| 676 | NEXT_ARG(); |
| 677 | if (get_u32(&spi, *argv, 0)) |
| 678 | invarg("\"SPI\" is invalid", *argv); |
| 679 | |
| 680 | spi = htonl(spi); |
| 681 | id->spi = spi; |
| 682 | |
| 683 | filter.id_spi_mask = XFRM_FILTER_MASK_FULL; |
| 684 | |
| 685 | } else { |
| 686 | PREV_ARG(); /* back track */ |
| 687 | break; |
| 688 | } |
| 689 | |
| 690 | if (!NEXT_ARG_OK()) |
| 691 | break; |
| 692 | NEXT_ARG(); |
| 693 | } |
| 694 | |
| 695 | if (src.family && dst.family && (src.family != dst.family)) |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 696 | invarg("the same address family is required between \"src\" and \"dst\"", *argv); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 697 | |
org[shemminger]!nakam | 29aa4dd | 2004-09-28 18:40:49 +0000 | [diff] [blame] | 698 | if (loose == 0 && id->proto == 0) |
| 699 | missarg("XFRM_PROTO"); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 700 | if (argc == *argcp) |
| 701 | missarg("ID"); |
| 702 | |
| 703 | *argcp = argc; |
| 704 | *argvp = argv; |
| 705 | |
| 706 | return 0; |
| 707 | } |
| 708 | |
| 709 | int xfrm_mode_parse(__u8 *mode, int *argcp, char ***argvp) |
| 710 | { |
| 711 | int argc = *argcp; |
| 712 | char **argv = *argvp; |
| 713 | |
| 714 | if (matches(*argv, "transport") == 0) |
| 715 | *mode = 0; |
| 716 | else if (matches(*argv, "tunnel") == 0) |
| 717 | *mode = 1; |
| 718 | else |
| 719 | invarg("\"MODE\" is invalid", *argv); |
| 720 | |
| 721 | *argcp = argc; |
| 722 | *argvp = argv; |
| 723 | |
| 724 | return 0; |
| 725 | } |
| 726 | |
| 727 | /* NOTE: reqid is used by host-byte order */ |
| 728 | int xfrm_reqid_parse(__u32 *reqid, int *argcp, char ***argvp) |
| 729 | { |
| 730 | int argc = *argcp; |
| 731 | char **argv = *argvp; |
| 732 | |
| 733 | if (get_u32(reqid, *argv, 0)) |
| 734 | invarg("\"REQID\" is invalid", *argv); |
| 735 | |
| 736 | *argcp = argc; |
| 737 | *argvp = argv; |
| 738 | |
| 739 | return 0; |
| 740 | } |
| 741 | |
| 742 | static int xfrm_selector_upspec_parse(struct xfrm_selector *sel, |
| 743 | int *argcp, char ***argvp) |
| 744 | { |
| 745 | int argc = *argcp; |
| 746 | char **argv = *argvp; |
org[shemminger]!nakam | c70b36d | 2004-09-28 18:42:35 +0000 | [diff] [blame] | 747 | char *sportp = NULL; |
| 748 | char *dportp = NULL; |
| 749 | char *typep = NULL; |
| 750 | char *codep = NULL; |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 751 | |
| 752 | while (1) { |
| 753 | if (strcmp(*argv, "proto") == 0) { |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 754 | __u8 upspec; |
| 755 | |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 756 | NEXT_ARG(); |
| 757 | |
| 758 | if (strcmp(*argv, "any") == 0) |
| 759 | upspec = 0; |
| 760 | else { |
| 761 | struct protoent *pp; |
| 762 | pp = getprotobyname(*argv); |
| 763 | if (pp) |
| 764 | upspec = pp->p_proto; |
| 765 | else { |
| 766 | if (get_u8(&upspec, *argv, 0)) |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 767 | invarg("\"PROTO\" is invalid", *argv); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 768 | } |
| 769 | } |
| 770 | sel->proto = upspec; |
| 771 | |
| 772 | filter.upspec_proto_mask = XFRM_FILTER_MASK_FULL; |
| 773 | |
| 774 | } else if (strcmp(*argv, "sport") == 0) { |
org[shemminger]!nakam | c70b36d | 2004-09-28 18:42:35 +0000 | [diff] [blame] | 775 | sportp = *argv; |
| 776 | |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 777 | NEXT_ARG(); |
| 778 | |
| 779 | if (get_u16(&sel->sport, *argv, 0)) |
| 780 | invarg("\"PORT\" is invalid", *argv); |
| 781 | sel->sport = htons(sel->sport); |
| 782 | if (sel->sport) |
| 783 | sel->sport_mask = ~((__u16)0); |
| 784 | |
| 785 | filter.upspec_sport_mask = XFRM_FILTER_MASK_FULL; |
| 786 | |
| 787 | } else if (strcmp(*argv, "dport") == 0) { |
org[shemminger]!nakam | c70b36d | 2004-09-28 18:42:35 +0000 | [diff] [blame] | 788 | dportp = *argv; |
| 789 | |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 790 | NEXT_ARG(); |
| 791 | |
| 792 | if (get_u16(&sel->dport, *argv, 0)) |
| 793 | invarg("\"PORT\" is invalid", *argv); |
| 794 | sel->dport = htons(sel->dport); |
| 795 | if (sel->dport) |
| 796 | sel->dport_mask = ~((__u16)0); |
| 797 | |
| 798 | filter.upspec_dport_mask = XFRM_FILTER_MASK_FULL; |
| 799 | |
org[shemminger]!nakam | c70b36d | 2004-09-28 18:42:35 +0000 | [diff] [blame] | 800 | } else if (strcmp(*argv, "type") == 0) { |
| 801 | typep = *argv; |
| 802 | |
| 803 | NEXT_ARG(); |
| 804 | |
| 805 | if (get_u16(&sel->sport, *argv, 0) || |
| 806 | (sel->sport & ~((__u16)0xff))) |
| 807 | invarg("\"type\" value is invalid", *argv); |
| 808 | sel->sport = htons(sel->sport); |
| 809 | sel->sport_mask = ~((__u16)0); |
| 810 | |
| 811 | filter.upspec_sport_mask = XFRM_FILTER_MASK_FULL; |
| 812 | |
| 813 | |
| 814 | } else if (strcmp(*argv, "code") == 0) { |
| 815 | codep = *argv; |
| 816 | |
| 817 | NEXT_ARG(); |
| 818 | |
| 819 | if (get_u16(&sel->dport, *argv, 0) || |
| 820 | (sel->dport & ~((__u16)0xff))) |
| 821 | invarg("\"code\" value is invalid", *argv); |
| 822 | sel->dport = htons(sel->dport); |
| 823 | sel->dport_mask = ~((__u16)0); |
| 824 | |
| 825 | filter.upspec_dport_mask = XFRM_FILTER_MASK_FULL; |
| 826 | |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 827 | } else { |
| 828 | PREV_ARG(); /* back track */ |
| 829 | break; |
| 830 | } |
| 831 | |
| 832 | if (!NEXT_ARG_OK()) |
| 833 | break; |
| 834 | NEXT_ARG(); |
| 835 | } |
| 836 | if (argc == *argcp) |
| 837 | missarg("UPSPEC"); |
org[shemminger]!nakam | c70b36d | 2004-09-28 18:42:35 +0000 | [diff] [blame] | 838 | if (sportp || dportp) { |
| 839 | switch (sel->proto) { |
| 840 | case IPPROTO_TCP: |
| 841 | case IPPROTO_UDP: |
| 842 | case IPPROTO_SCTP: |
| 843 | break; |
| 844 | default: |
| 845 | fprintf(stderr, "\"sport\" and \"dport\" are invalid with proto=%s\n", strxf_proto(sel->proto)); |
| 846 | exit(1); |
| 847 | } |
| 848 | } |
| 849 | if (typep || codep) { |
| 850 | switch (sel->proto) { |
| 851 | case IPPROTO_ICMP: |
| 852 | case IPPROTO_ICMPV6: |
| 853 | break; |
| 854 | default: |
| 855 | fprintf(stderr, "\"type\" and \"code\" are invalid with proto=%s\n", strxf_proto(sel->proto)); |
| 856 | exit(1); |
| 857 | } |
| 858 | } |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 859 | |
| 860 | *argcp = argc; |
| 861 | *argvp = argv; |
| 862 | |
| 863 | return 0; |
| 864 | } |
| 865 | |
| 866 | int xfrm_selector_parse(struct xfrm_selector *sel, int *argcp, char ***argvp) |
| 867 | { |
| 868 | int argc = *argcp; |
| 869 | char **argv = *argvp; |
| 870 | inet_prefix dst; |
| 871 | inet_prefix src; |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 872 | char *upspecp = NULL; |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 873 | |
| 874 | memset(&dst, 0, sizeof(dst)); |
| 875 | memset(&src, 0, sizeof(src)); |
| 876 | |
| 877 | while (1) { |
| 878 | if (strcmp(*argv, "src") == 0) { |
| 879 | NEXT_ARG(); |
| 880 | |
| 881 | get_prefix(&src, *argv, preferred_family); |
| 882 | if (src.family == AF_UNSPEC) |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 883 | invarg("\"src\" address family is AF_UNSPEC", *argv); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 884 | sel->family = src.family; |
| 885 | |
| 886 | memcpy(&sel->saddr, &src.data, sizeof(sel->saddr)); |
| 887 | sel->prefixlen_s = src.bitlen; |
| 888 | |
| 889 | filter.sel_src_mask = src.bitlen; |
| 890 | |
| 891 | } else if (strcmp(*argv, "dst") == 0) { |
| 892 | NEXT_ARG(); |
| 893 | |
| 894 | get_prefix(&dst, *argv, preferred_family); |
| 895 | if (dst.family == AF_UNSPEC) |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 896 | invarg("\"dst\" address family is AF_UNSPEC", *argv); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 897 | sel->family = dst.family; |
| 898 | |
| 899 | memcpy(&sel->daddr, &dst.data, sizeof(sel->daddr)); |
| 900 | sel->prefixlen_d = dst.bitlen; |
| 901 | |
| 902 | filter.sel_dst_mask = dst.bitlen; |
| 903 | |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 904 | } else if (strcmp(*argv, "dev") == 0) { |
| 905 | int ifindex; |
| 906 | |
| 907 | NEXT_ARG(); |
| 908 | |
| 909 | if (strcmp(*argv, "none") == 0) |
| 910 | ifindex = 0; |
| 911 | else { |
| 912 | ifindex = if_nametoindex(*argv); |
| 913 | if (ifindex <= 0) |
| 914 | invarg("\"DEV\" is invalid", *argv); |
| 915 | } |
| 916 | sel->ifindex = ifindex; |
| 917 | |
| 918 | filter.sel_dev_mask = XFRM_FILTER_MASK_FULL; |
| 919 | |
| 920 | } else { |
net[shemminger]!shemminger | 7809c61 | 2004-08-11 23:41:38 +0000 | [diff] [blame] | 921 | if (upspecp) { |
| 922 | PREV_ARG(); /* back track */ |
| 923 | break; |
| 924 | } else { |
| 925 | upspecp = *argv; |
| 926 | xfrm_selector_upspec_parse(sel, &argc, &argv); |
| 927 | } |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 928 | } |
| 929 | |
| 930 | if (!NEXT_ARG_OK()) |
| 931 | break; |
| 932 | |
| 933 | NEXT_ARG(); |
| 934 | } |
| 935 | |
| 936 | if (src.family && dst.family && (src.family != dst.family)) |
net[shemminger]!shemminger | eaa34ee | 2005-01-17 23:29:39 +0000 | [diff] [blame] | 937 | invarg("the same address family is required between \"src\" and \"dst\"", *argv); |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 938 | |
| 939 | if (argc == *argcp) |
| 940 | missarg("SELECTOR"); |
| 941 | |
| 942 | *argcp = argc; |
| 943 | *argvp = argv; |
| 944 | |
| 945 | return 0; |
| 946 | } |
| 947 | |
| 948 | int xfrm_lifetime_cfg_parse(struct xfrm_lifetime_cfg *lft, |
| 949 | int *argcp, char ***argvp) |
| 950 | { |
| 951 | int argc = *argcp; |
| 952 | char **argv = *argvp; |
| 953 | int ret; |
| 954 | |
| 955 | if (strcmp(*argv, "time-soft") == 0) { |
| 956 | NEXT_ARG(); |
| 957 | ret = get_u64(&lft->soft_add_expires_seconds, *argv, 0); |
| 958 | if (ret) |
| 959 | invarg("\"time-soft\" value is invalid", *argv); |
| 960 | } else if (strcmp(*argv, "time-hard") == 0) { |
| 961 | NEXT_ARG(); |
| 962 | ret = get_u64(&lft->hard_add_expires_seconds, *argv, 0); |
| 963 | if (ret) |
| 964 | invarg("\"time-hard\" value is invalid", *argv); |
| 965 | } else if (strcmp(*argv, "time-use-soft") == 0) { |
| 966 | NEXT_ARG(); |
| 967 | ret = get_u64(&lft->soft_use_expires_seconds, *argv, 0); |
| 968 | if (ret) |
| 969 | invarg("\"time-use-soft\" value is invalid", *argv); |
| 970 | } else if (strcmp(*argv, "time-use-hard") == 0) { |
| 971 | NEXT_ARG(); |
| 972 | ret = get_u64(&lft->hard_use_expires_seconds, *argv, 0); |
| 973 | if (ret) |
| 974 | invarg("\"time-use-hard\" value is invalid", *argv); |
| 975 | } else if (strcmp(*argv, "byte-soft") == 0) { |
| 976 | NEXT_ARG(); |
| 977 | ret = get_u64(&lft->soft_byte_limit, *argv, 0); |
| 978 | if (ret) |
| 979 | invarg("\"byte-soft\" value is invalid", *argv); |
| 980 | } else if (strcmp(*argv, "byte-hard") == 0) { |
| 981 | NEXT_ARG(); |
| 982 | ret = get_u64(&lft->hard_byte_limit, *argv, 0); |
| 983 | if (ret) |
| 984 | invarg("\"byte-hard\" value is invalid", *argv); |
| 985 | } else if (strcmp(*argv, "packet-soft") == 0) { |
| 986 | NEXT_ARG(); |
| 987 | ret = get_u64(&lft->soft_packet_limit, *argv, 0); |
| 988 | if (ret) |
| 989 | invarg("\"packet-soft\" value is invalid", *argv); |
| 990 | } else if (strcmp(*argv, "packet-hard") == 0) { |
| 991 | NEXT_ARG(); |
| 992 | ret = get_u64(&lft->hard_packet_limit, *argv, 0); |
| 993 | if (ret) |
| 994 | invarg("\"packet-hard\" value is invalid", *argv); |
| 995 | } else |
| 996 | invarg("\"LIMIT\" is invalid", *argv); |
| 997 | |
| 998 | *argcp = argc; |
| 999 | *argvp = argv; |
| 1000 | |
| 1001 | return 0; |
| 1002 | } |
| 1003 | |
| 1004 | int do_xfrm(int argc, char **argv) |
| 1005 | { |
| 1006 | memset(&filter, 0, sizeof(filter)); |
| 1007 | |
| 1008 | if (argc < 1) |
| 1009 | usage(); |
| 1010 | |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 1011 | if (matches(*argv, "state") == 0 || |
| 1012 | matches(*argv, "sa") == 0) { |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 1013 | return do_xfrm_state(argc-1, argv+1); |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 1014 | } else if (matches(*argv, "policy") == 0) |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 1015 | return do_xfrm_policy(argc-1, argv+1); |
net[shemminger]!shemminger | ad27396 | 2004-07-30 20:26:15 +0000 | [diff] [blame] | 1016 | else if (matches(*argv, "help") == 0) { |
net[shemminger]!shemminger | c769987 | 2004-07-07 17:05:56 +0000 | [diff] [blame] | 1017 | usage(); |
| 1018 | fprintf(stderr, "xfrm Object \"%s\" is unknown.\n", *argv); |
| 1019 | exit(-1); |
| 1020 | } |
| 1021 | usage(); |
| 1022 | } |